发明授权
US3207981A Electrical device having uniquely posi-tioned electrodes for determining metal loss from tubular members 失效
具有用于确定管状构件的金属损失的独特定位电极的电气装置

  • 专利标题: Electrical device having uniquely posi-tioned electrodes for determining metal loss from tubular members
  • 专利标题(中): 具有用于确定管状构件的金属损失的独特定位电极的电气装置
  • 申请号: US7069060
    申请日: 1960-11-21
  • 公开(公告)号: US3207981A
    公开(公告)日: 1965-09-21
  • 发明人: MARSH GLENN AEDWARD SCHASCHL
  • 申请人: PURE OIL CO
  • 专利权人: Pure Oil Co
  • 当前专利权人: Pure Oil Co
  • 优先权: US7069060 1960-11-21
  • 主分类号: G01N27/20
  • IPC分类号: G01N27/20
Electrical device having uniquely posi-tioned electrodes for determining metal loss from tubular members
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